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Rank of a 3 * 3 matrix C (= AB), found b...

Rank of a 3 * 3 matrix C (= AB), found by multiplying a non-zero column matrix A of size 3 *1 and a non-zero row matrix B of size 1 3, is (a) 0 (b) 1 (c) 2 (d) 3

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